DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - METRO MANILA 2ND E Award a ₱2.2M contract to AKH CONSTRUCTION AND TRADING CORPORATIONNational agencies
Transaction hash:
9fc2c4df335c487afe89ce08850afdf480bee7e255ae7e12ad6ee8f1e9fdabb0
Status:
Included and unchanged
Block:
#1,714 4,299 blocks after it
Position in block:
Transaction 575 of 935
Award day:
Mar 25, 2013 (13 yrs 7 mo ago)
Value:
₱2,182,715.72
Project:
Multi-purpose Bldg.
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #1,714 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - METRO MANILA 2ND E awarded it to AKH CONSTRUCTION AND TRADING CORPORATION on 2013-03-25.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored 9fc2c4df33…fdabb0now …
- 2. Block Merkle root changedstored 7a9d154d34…f166ddnow …
- 3. Block #1714 hash changedstored 0f120f161a…2abf30now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 934 records. Each step hashes the current value together with the sibling shown.
- leaf 9fc2c4df335c487afe89ce08850afdf480bee7e255ae7e12ad6ee8f1e9fdabb0
- 01 L 9fb5dbf98f90ee247f0cba07cf18d412326f109417f5e4d2e3eac964a4f9833d
- 02 L 1a91e07739a460ffce2051c2c3bcbdea7c416722c306b049c23294c8a23283b3
- 03 L f556755f9b39f4c41e7b8df3c9873ad9604f0bfa9d0cc4cbbbbe1b0adc7d0602
- 04 L 5a4881fcec682d21cf2a7ef02ee294c85fff3e724c9c5f9f08d78c3ff92b004b
- 05 L 69221873c3849ffa2f49b8aa64d1846f506155ea3c8e9f45f2f774bfbb83270c
- 06 L 1461ae93cbfabe69a824b6d4536424469e04207cc0c8f429bbf004e66cd0ecc7
- 07 R 59cd4e48750059fe908aa87ed90627eb96ed9e51247668bf64f27ea1f60b3d05
- 08 R 6ebb7cd535bb256224c811476e98ebb426dba0db48ab5b48d98f735dc0267f71
- 09 R 7df93b87e0811ed93986aecaef2f22b1858d1663cd0b99c1d2860d256ad6e713
- 10 L ef2425add25b854ed3268b425114ed19e7d24f82ff2e0ce0d44bf499dc7b8596
- root 7a9d154d34bfe2214ffce495ffe93f69dff3b21261b1b7d69e20426604f166dd